A floating decanter and method for charging supernatant from a vesel without drawing floating solids or scum into the discharge. The decanter includes a weir (16) having a central opening, and a solid bottom side, a float (12) adjacent to an outer edge of the weir, a weir lift and drive (14) having at least two screw jacks (20) attached to the float and a attachment arm (26) extending to the weir, and an discharge pipe (32) attached to the bottom of the weir. The weir is lowered with respect to the float to discharge supernatant.
This application is a 371 of PCT/US02/16773, filed May 23, 2002, which claims the benefits of U.S. Provisional Application 60/293,031, filed May 23, 2001; and U.S. Provisional Application 60/333,391, filed Nov. 26, 2001.
A water collection device for collecting clarified water in a basin. The collection device includes a floating ring having a water inlet recessed within the central portion of the floating ring. The water collection device is configured to facilitate a greater flow of water into the water inlet from one peripheral zone than another peripheral area or zone around the floating ring.
